Rasmi ah: HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens

Ricoh wuxuu si rasmi ah ugu dhawaaqay HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens, oo ah hordhaca ugu horeeya iyo weathersealed optic ee taxanaha "Xaddidan".

Ricoh wuxuu go'aansaday inuu ballaariyo taxanaha "Xaddidan" ee muraayadaha Pentax ee loo heli karo kamaradaha K-Mount iyadoo la bilaabayo cusub HD DA 20-40mm f / 2.8-4 ED Limited DC WR.

Pentax 20-40mm f / 2.8-4 waa muraayada ugu horeysa ee xadidan ee leh cimilada iyo awooda soo dhaweynta.

Ricoh wuxuu bilaabayaa markii ugu horeysay ee cimilada iyo soo dhaweynta muraayadaha "Xaddidan": HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR

Optic-kani wuxuu calaamadeeyaa laba hordhac, maaddaama ay tahay soo dhaweyntii ugu horreysay ee "Xaddidan" iyo kii ugu horreeyay ee cimilada ee "Xaddidan". In kasta oo laga yaabo inay ku faanto meel aad u yaab badan oo ah 20-40mm, shirkaddu waxay tiri waa badeecad isku dhafan oo macaamiisha ayaa ku raaxeysan doona 35mm u dhiganta qiyaastii 30.5-61.5mm.

Ricoh wuxuu intaa ku daray in kala duwanaanshaheeda ay ka mid yihiin dhererka ugu caansan ee loo isticmaalo sawir deg deg ah. Sida kor lagu sheegay, in kasta oo ay xaqiiqda tahay inay tahay lens-ka 29-aad ee Pentax ee kamaradaha APS-C, waa kan ugu horreeya taxanaha "Xaddidan" ee xoogga leh ee noqda mid cimilo iyo moodal soo dhawayn leh, kaas oo kaamil noqon doona in loo isticmaalo xaaladaha dibadda ee aadka u xun .

U macasalaam ololka, cirfiidnimada, iyo cilladaha kale ee indhaha oo ay ugu wacan tahay qaybta 'ED' iyo daboolka HD

HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens wuxuu la socdaa 9-blade oo shaashadaysan iyo furitaan ugu badnaan f / 2.8 ah 20mm, halka 40mm aperture-ka ugu weyn uu istaago f / 4. Ku dhawaaqitaankeedu wuxuu sheegayaa inuu bixin doono in bokeh qurux badan oo aad ugufiican sawir gacmeedka.

Optic-ga cusub wuxuu la yimaadaa daahan heer sare ah oo lakabyo badan ah iyo walax firidhsan oo hooseeya oo ilaalinaya cilladaha indhaha ugu yar. Intaa waxaa sii dheer, nidaamka AF waxaa ku shaqeynaya matoor DC ah oo keena siman iyo sidoo kale autofocus aamusnaan ah, kaas oo sidoo kale waxtar yeelan kara marka la duubayo fiidiyowyada.

HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens ayaa loo sii deyn doonaa kamaradaha K-mount APS-C bisha Diseembar $ 999.95.

HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens-ka sii deynta taariikhda iyo qiimaha

Masaafada ugu yar ee diiradda lasaarayaa waxay taagan tahay 28 sentimitir ama 11.02-inji. Waxay bixisaa giraan diiradda gacanta, kaas oo aan kor u qaadin culeyskiisa aad u badan. Marka laga hadlayo cabirka, HD Pentax DA 20-40mm f / 2.8-4 ED Limited DC WR lens wuxuu culeyskiisu yahay 283 gram / 0.62lbs wuxuuna cabirkiisu yahay 69mm / 2.7-inji oo dherer ah iyo 71mm / 2.8-inji oo dhexroor ah.

Waxaa laga sameeyay aluminium waxaana lagu sii deyn doonaa moodello madow iyo qalin ah oo leh shaandho miiraa 55mm.

Ricoh wuxuu bilaabi doonaa iibinta badeecadan mar uun bisha soo socota MSRP oo ah $ 999.95 waana inuu u dhigaa amar hore maalmaha soo socda.